Mgr Arno Moriani, the "devil's advocate", is carrying out a canonization process, investigating in the interwar years a potential candidate for beatification in Transylvania. His investigation is quickly wrapped up. The strange stigmata on the corpse are not the hallmark of some divine power. In fact, the villagers see it as the "mark" of Count Dracula. The bishop decides to carry out his own investigation to determine once and for all whether the vampire truly exists. But the reality is deceiving. Fiction is powerful. Doubts arise. And doubt begets fear...